"water bath"
Applied Filters
Ward's® Peridinium
Freshwater. Unicellular. Soil-water medium. Characterized by two flagella (one inside a groove at right angles to the other); most also have tests made of cellulose and are encrusted with silica.
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Ward's® Phacus
Freshwater. Unicellular; heart-shaped cell. Soil-water medium.
Characterized by a lack of rigid cellulosic walls, instead these organisms have pellicles made of protein. They store paramylon instead of starch.
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Ward's® Merismopedia
Freshwater. Colonial. Sheet of many cells one cell thick. Soil-water medium.
Shipped in a form that provides the best quality specimen. Most are supplied in 16 x 125 mm tubes, 2 oz. jars, or 8 oz. jars.
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Ward's® Live Pseudomonas aeruginosa culture (Pathogenic)
This organism can be isolated from many human urinary tract infections, as well as polluted water and sewage. It is commonly identified by its distinctive grape-like smell (trimethylamine) or because it can turn the agar light green due to production of a blue pigment (pyocyanin).
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Ammonia Test Kit
Fast and easy-to-use, this kit contains two dropper bottles for accurate dispensing of test solutions, non-staining test tube with snap cap, and instructions. It comes with enough solution for 130 tests and can be used in either fresh or salt water. Range: 0–8 ppm ammonia.
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Ward's® Chromobacterium Violaceum
Found in fresh water. Chromogenesis; blue to purple pigments produced. Motile. Rods. Gram negative reaction. Aerobic. Incubation temperature 30°C. Blood agar growth medium. Note: Pathogen.
Packaged in a 16×125 mm tubes. Call our Customer Service for availability of demo plates and other special orders.
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Quick-Developing Rotifers
Rotifers are well adapted to adverse conditions; when dry, the eggs remain viable for years.
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Ward's® Live Novosphingobium capsulatum (Flavobacterium capsulatum) Culture
Capsules produced in milk. Psychrophilic (prefers low temperatures), produces yellow pigments.

